X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=BUGS;h=13c5cc4375db7eefa350ec5da3161d7b835cb7d6;hb=1b650be8b800cf96e2c268ae317fb26d0bf36827;hp=6b0a4f37b842475d6186bc6030bdeba3e6e5cf7b;hpb=c58795f37078f5900aff5dc4a3712fbadd2d432e;p=sbcl.git diff --git a/BUGS b/BUGS index 6b0a4f3..13c5cc4 100644 --- a/BUGS +++ b/BUGS @@ -32,8 +32,6 @@ have gone away (typically because they were fixed, but sometimes for other reasons, e.g. because they were moved elsewhere). -KNOWN BUGS OF NO SPECIAL CLASS: - 2: DEFSTRUCT almost certainly should overwrite the old LAYOUT information instead of just punting when a contradictory structure definition @@ -190,7 +188,10 @@ WORKAROUND: type safety errors reported by Peter Van Eynde July 25, 2000: k: READ-BYTE is supposed to signal TYPE-ERROR when its argument is not a binary input stream, but instead cheerfully reads from - character streams, e.g. (MAKE-STRING-INPUT-STREAM "abc"). + string-input streams, e.g. (MAKE-STRING-INPUT-STREAM "abc"). + [ Bug was reported as "from character streams", but in 0.8.3.10 we + get correct behaviour from (WITH-OPEN-FILE (i "/dev/zero") (READ-BYTE i)) ] + 60: The debugger LIST-LOCATIONS command doesn't work properly. @@ -544,6 +545,8 @@ WORKAROUND: isn't too surprising since there are many differences in stack implementation and GC conservatism between the X86 and other ports.) + This is probably the same bug as 216 + 167: In sbcl-0.7.3.11, compiling the (illegal) code (in-package :cl-user) @@ -798,6 +801,8 @@ WORKAROUND: the bad VECTOR-PUSH-EXTEND frame causes GC problems, though that may not be the actual problem. (CMU CL 18c doesn't have problems with this.) + This is probably the same bug as 162 + 217: "Bad type operations with FUNCTION types" In sbcl.0.7.7: @@ -1052,10 +1057,6 @@ WORKAROUND: (bignum "hip") (t "zuz"))) -272: - All forms of GC hooks (including notifiers and finalisers) are currently - (since 0.8.0) broken for gencgc (i.e. x86) users - 273: Compilation of the following two forms causes "X is unbound" error: @@ -1071,7 +1072,9 @@ WORKAROUND: 274: CLHS says that type declaration of a symbol macro should not affect - its expansion, but in SBCL it does. + its expansion, but in SBCL it does. (If you like magic and want to + fix it, don't forget to change all uses of MACROEXPAND to + MACROEXPAND*.) 275: The following code (taken from CLOCC) takes a lot of time to compile: @@ -1090,10 +1093,6 @@ WORKAROUND: (taken from CLOCC) -277: - IGNORE/IGNORABLE declarations should be acceptable for symbol - macros. - 278: a. (defun foo () @@ -1192,7 +1191,58 @@ WORKAROUND: (foo (aref (the (array (unsigned-byte 32)) x))) -DEFUNCT CATEGORIES OF BUGS - IR1-#: - These labels were used for bugs related to the old IR1 interpreter. - The # values reached 6 before the category was closed down. +283: Thread safety: libc functions + There are places that we call unsafe-for-threading libc functions + that we should find alternatives for, or put locks around. Known or + strongly suspected problems, as of 0.8.3.10: please update this + bug instead of creating new ones + + localtime() - called for timezone calculations in code/time.lisp + +284: Thread safety: special variables + There are lots of special variables in SBCL, and I feel sure that at + least some of them are indicative of potentially thread-unsafe + parts of the system. See doc/internals/notes/threading-specials + +285: PPC randomness + In SBCL 0.8.3.1x on a powerpc running Linux (dunno if Darwin is + similarly affected): + * (dotimes (i 100) (random 1663553320000000)) + + NIL + * (dotimes (i 100) (random 1663553340000000)) + + NIL + * (dotimes (i 100) (random 1663553350000000)) + + debugger invoked on condition of type TYPE-ERROR: + The value -30653269094906 + is not of type + (OR (SINGLE-FLOAT 0.0) (DOUBLE-FLOAT 0.0d0) (RATIONAL 0)). + + and, weirdly, the frame is: + ("hairy arg processor for top level local call RANDOM" + 1663553347392000 + #S(RANDOM-STATE + :STATE #(0 2567483615 188 1503590015 2333049409 322761517 ...))) + + (the type error doesn't seem to be terribly deterministic in when it + occurs. Bigger numbers seem better able to trigger the error) + +286: "recursive known functions" + Self-call recognition conflicts with known function + recognition. Currently cross compiler and target COMPILE do not + recognize recursion, and in target compiler it can be disabled. We + can always disable it for known functions with RECURSIVE attribute, + but there remains a possibility of a function with a + (tail)-recursive simplification pass and transforms/VOPs for base + cases. + +287: PPC/Linux miscompilation or corruption in first GC + When the runtime is compiled with -O3 on certain PPC/Linux machines, a + segmentation fault is reported at the point of first triggered GC, + during the compilation of DEFSTRUCT WRAPPER. As a temporary workaround, + the runtime is no longer compiled with -O3 on PPC/Linux, but it is likely + that this merely obscures, not solves, the underlying problem; as and when + underlying problems are fixed, it would be worth trying again to provoke + this problem.